Chapter 14 Flashcards
incidence
number of individuals that develop conditions (over period of time)
prevalence
total count of people with a condition at a specific point in time
schizophrenia
psychosis, disturbances of reality, orientation and thinking
schizophrenia positive symptoms
delusions, hallucinations, thought disorders, movement disorders
schizophrenia negative symptoms
avolition/apathy (lack of initiative to accomplish tasks), alogia (inhbility to speak), anhedonia flattening (lackig full range of emotional expression), asocialtiy (lack of motivation to socizlize)
dopamine hypothesis
idea it involves to much dopamine activity in brain
aberrant salience hypothesis
heightened levels of dopamine increase attention and motivation circuits to make ordinary environmental factors seem significant
dopamine deficiency
dopaminergic drugs are ineffective
Glutamate theory
loss of NDA receptors causes increase in glutamate receptors Witch in turn increases dopamine (glutamate causes negative, dopamine causes positive)
tardive dyskinesia
tremors and involuntary movements due to ling-term blocking of dopamine receptors
hypofrontality
decrease in activity in frontal lobe
affecitve disorders
mood disorders
mania
excess energy and confidence
depressive disorders
intense sadness and loss of interest
bipolar disorders
alternate between depression and mania